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MissTica
3 years ago
15

Sally bought 6.11 pounds of cheese at the deli. Dan bought 3.68 pounds of

Mathematics
1 answer:
White raven [17]3 years ago
8 0
13.45/5=2.69
2.69•2=5.38
so 5.38.
You might be interested in
The monthly rent of Marilyn's house went from $500 to $400, if p is the percent decrease in the rent, which proportion can be us
faust18 [17]
For this case we can use the following rule of three:
 $ 500 ---------> 100%
 $ 400 ---------> x
 Clearing x we have:
 x = (400/500) * (100) = 80%
 Therefore, the percentage of decrease in the rent is:
 p = 100-x
 p = 100-80
 p = 80%
 Answer:
 
a proportion can be used to calculate p is:
 
p = 100 - ((400/500) * (100))
3 0
3 years ago
I need help urgent this is to hard for me to do
Morgarella [4.7K]

Answer:

( 7 , 4 )

given:

  • 4x + 10y = 68
  • 4x - y = 24

make y the subject in equation 2:

4x - y = 24

-y = 24 - 4x

y = 4x - 24

insert this in equation 1:

4x + 10y = 68

4x + 10(4x - 24) = 68

4x + 40x - 240 = 68

44x = 68 + 240

44x = 308

x = 7

solve for y:

y = 4x - 24

y = 4(7) - 24

y = 4

6 0
2 years ago
Read 2 more answers
Which is greater 34 pounds or 534 ounces
Leno4ka [110]
16 ounces in a pound.

To compare 34 pounds and 534 ounces, we want to get them in the same units.

Multiply 34 pounds by 16 to find how many ounces is equivalent.

34*16 = 544.

544 ounces > 534 ounces, so 34 pounds > 534 ounces.
7 0
3 years ago
Read 2 more answers
triangle is placed in a semicircle with a radius of 8cm, as shown below. Find the area of the shaded region. Use the value 3.14
zhuklara [117]

Answer:

Area of shaded region is 36.48 \ cm^2.

Step-by-step explanation:

We have drawn the diagram for your reference.

Given:

radius = 8 cm

Diameter is 2 times radius.

Diameter = 2\times 8 =16 \ cm

We need to find the Area of shaded region.

Solution:

First we will find the Area of Semicircle.

Now we know that Area of semicircle is half times π times square of radius.

framing in equation for we get;

Area of Semicircle = \frac{1}{2} \times \pi \times r^2 = \frac{1}{2} \times \pi \times 8^2=100.48\ cm^2

Now we will find the Area of Triangle.

Now base diameter of the semicircle and height is radius of the circle.

We know that Area of triangle is half times base times height.

framing in equation form we get;

Area of triangle = \frac{1}{2} \times 16 \times 8 = 64 \ cm^2

Now Area of the shaded region can be calculated by subtracting Area of triangle from Area of semicircle.

framing in equation form we get;

Area of the shaded region = 100.48 - 64 = 36.48 \ cm^2

Hence Area of shaded region is 36.48 \ cm^2.

6 0
3 years ago
The actual volumes of quart-size jars of Hellmann's mayonnaise are uniformly distributed from 31.58 to 32.51 fluid ounces. Find
umka21 [38]

Answer:

0.27

Step-by-step explanation:

The standard deviation of a uniform distribution is:

σ² = (b − a)² / 12

σ² = (32.51 − 31.58)² / 12

σ² = 0.0721

σ = 0.268

Rounded to the hundredths place, the standard deviation is 0.27.

8 0
3 years ago
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